US Bridges

Road over Mckenzie River

Fair

Lane County, Oregon · .1 S Jcy HWY 126-FS19 · Structure no. 061801000001755

Built
1951
74 years old
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
286 ft
1 main span
Daily traffic
200
2010 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Mckenzie River is a steel truss - thru carrying Road over Mckenzie River in Lane County, Oregon. It was built in 1951, so it is 74 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2045. The structure is 286 ft (87.3 m) long and 28 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesRoad
CrossesMckenzie River
Location.1 S Jcy HWY 126-FS19
RouteFederal Lands Road 19000
CountyLane County
StateOregon
Coordinates44.16368, -122.25976
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.5 US tons
Inventory rating26.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 15
Structure length286 ft (87.3 m)
Longest span224 ft (68.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic200 (2010)
Projected traffic300 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Mckenzie River built?

It was built in 1951, making it 74 years old in 2025.

What condition is Road over Mckenzie River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Road over Mckenzie River carry?

About 200 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Road over Mckenzie River?

The structure is 286 ft (87.3 m) long with a longest span of 224 ft (68.4 m) and a deck 28 ft wide.

Who owns Road over Mckenzie River?

It is owned by the U.S. Forest Service.